TPS61252DSGT Integrated Circuits (ICs)

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TPS61252DSGT is an integrated dc-dc converter with a synchronous step-down architecture that is optimized for ultra-low input voltage to output voltage applications. It provides an output voltage from 0.6V, with up to 3A output current sourcing. The TPS61252DSGT offers low, low quiescent current of 0.9μA when the device is in shutdown mode. The adjustable output is set with a single external resistor. The TPS61252DSGT is a single chip solution that delivers up to 3A, 0.8V output current, and a wide input voltage range of 0.7V to 5.5V. The innovative features make the device ideal for battery powered portable applications or other applications where space saving, high efficiency and low cost are required.

TPS61252DSGT is designed for space-constrained portable systems and operates efficiently over wide input voltage range. It is ideally suited for space-constrained portable systems applications such as portable communications, PCs, or peripherals. Efficient synchronous rectification reduces power loss and noise. The TPS61252DSGT can operate with Pulse Width Modulation (PWM), which provides fast line and load transient response and improves performance in high frequency applications.

The working principle of TPS61252DSGT is based on a synchronous switching regulator which allows for a very high efficiency. This device is ideal for powering low output voltage loads from a higher input voltage, such as those found in phone and laptop adapters, USB power packs, digital frames, portable medical devices, and other portable devices. The TPS61252DSGT allows for a very high efficiency due to very low conduction loss and very low switching losses. The device also features current mode control which provides excellent line and load transient response.

In addition to its efficient operation, the TPS61252DSGT also has a very low quiescent current in shutdown mode. This makes it suitable for systems that must operate for extended periods of time with minimal power consumption. Also, the device has an Adjustable Soft Start feature that eliminates inrush current during start-up and can also be used to reduce overall system current consumption. Finally, the TPS61252DSGT offers Thermal Shutdown protection which will shut down the device if the temperature exceeds a certain limit.

In summary, the TPS61252DSGT is an integrated DC-DC converter designed for space-constrained portable systems, providing superior performance and allowing for high efficiency in a very small package. Its operating principle is based on a synchronous switching regulator which allows for an adjustable output voltage, sets the output voltage with a single external resistor, and features very low quiescent current in shutdown mode. Also, the device features current mode control which provides excellent line and load transient response and adjustable soft start which eliminates inrush current during start-up. Finally, the TPS61252DSGT offers Thermal Shutdown protection which will shut down the device if the temperature exceeds a certain limit.

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